[INFO] updating cached repository kevchn/guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kevchn/guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kevchn/guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/kevchn/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kevchn/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kevchn/guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kevchn/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kevchn/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e733e3ebeb2fd2c95988ba78792c52c2f256f27
[INFO] sha for GitHub repo kevchn/guessing-game: 7e733e3ebeb2fd2c95988ba78792c52c2f256f27
[INFO] validating manifest of kevchn/guessing-game on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kevchn/guessing-game on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kevchn/guessing-game
[INFO] finished frobbing kevchn/guessing-game
[INFO] frobbed toml for kevchn/guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/kevchn/guessing-game/Cargo.toml
[INFO] started frobbing kevchn/guessing-game
[INFO] finished frobbing kevchn/guessing-game
[INFO] frobbed toml for kevchn/guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kevchn/guessing-game/Cargo.toml
[INFO] crate kevchn/guessing-game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kevchn/guessing-game against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kevchn/guessing-game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] edbf8414bcebe36d539d3992c6abd75010ecc7ac2639fd4c2a774b125aa3bc4e
[INFO] running `"docker" "start" "-a" "edbf8414bcebe36d539d3992c6abd75010ecc7ac2639fd4c2a774b125aa3bc4e"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `"docker" "inspect" "edbf8414bcebe36d539d3992c6abd75010ecc7ac2639fd4c2a774b125aa3bc4e"`
[INFO] running `"docker" "rm" "-f" "edbf8414bcebe36d539d3992c6abd75010ecc7ac2639fd4c2a774b125aa3bc4e"`
[INFO] [stdout] edbf8414bcebe36d539d3992c6abd75010ecc7ac2639fd4c2a774b125aa3bc4e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kevchn/guessing-game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9e3cd2c69c593a7b465d418828b5709f973040a5ad431d36a0fc175872687f86
[INFO] running `"docker" "start" "-a" "9e3cd2c69c593a7b465d418828b5709f973040a5ad431d36a0fc175872687f86"`
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "9e3cd2c69c593a7b465d418828b5709f973040a5ad431d36a0fc175872687f86"`
[INFO] running `"docker" "rm" "-f" "9e3cd2c69c593a7b465d418828b5709f973040a5ad431d36a0fc175872687f86"`
[INFO] [stdout] 9e3cd2c69c593a7b465d418828b5709f973040a5ad431d36a0fc175872687f86
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kevchn/guessing-game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0a0288c3c701c1f123557fdf4e88de12ac23afa5083695bf5a7248675430d451
[INFO] running `"docker" "start" "-a" "0a0288c3c701c1f123557fdf4e88de12ac23afa5083695bf5a7248675430d451"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-9257f5ca4574abaf
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0a0288c3c701c1f123557fdf4e88de12ac23afa5083695bf5a7248675430d451"`
[INFO] running `"docker" "rm" "-f" "0a0288c3c701c1f123557fdf4e88de12ac23afa5083695bf5a7248675430d451"`
[INFO] [stdout] 0a0288c3c701c1f123557fdf4e88de12ac23afa5083695bf5a7248675430d451